package com.stoneframe.example.netty;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;

public class DiscardServer {
	
	private int port;
	
	public DiscardServer(int port){
		this.port=port;
	}
	
	public void run() throws Exception{
		EventLoopGroup bossGroup=new NioEventLoopGroup();
		EventLoopGroup workerGroup=new NioEventLoopGroup();
		try{
			ServerBootstrap b=new ServerBootstrap();
			b.group(bossGroup,workerGroup)
			.channel(NioServerSocketChannel.class)
			.childHandler(new ChannelInitializer<SocketChannel>() {

				@Override
				protected void initChannel(SocketChannel ch) throws Exception {
					// TODO Auto-generated method stub
					ch.pipeline().addLast(new DiscardServerHandler());
				}
			})
			.option(ChannelOption.SO_BACKLOG, 128)
			.childOption(ChannelOption.SO_KEEPALIVE, true);
			ChannelFuture f=b.bind(port).sync();
			f.channel().closeFuture().sync();
		}finally{
			workerGroup.shutdownGracefully();
			bossGroup.shutdownGracefully();
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		// TODO Auto-generated method stub
		int port;
		if(args.length>0){
			port=Integer.parseInt(args[0]);
		}else{
			port=8555;
		}
		new DiscardServer(port).run();

	}

}
